barbara starr reporting at the pentagon, appreciate that. fascinating stuff tonight. we'll see what he says exactly tomorrow. >>> now a look at today's briefings on benghazi. in closed door sessions, you might not have heard this, members of the congressional intelligence committees watched a video that was recovered from the u.s. consulate compound in libya showing them what happened as the attack unfolded. some of the video was taken by a drone according to law makers we spoke with. dana bash is on capitol hill for us tonight. she's got more reaction to the video. what have you learned? >> reporter: well, the video we're told was actually a combination of what was recovered from the consulate, actual closed circuit video, and video that was gotten from drones above, and what we're told, at least i'm told by one source who is in one of the briefings is that you could actually see the attack real-time, including christopher stevens, the ambassador who was one of the four americans killed, being dragged out of the attack. the other thing that is just clearly chilling,